com.pnp.xfeature.commands
Class RemoveCardinalityCommand

java.lang.Object
  Command
      com.pnp.xfeature.commands.RemoveCardinalityCommand

public class RemoveCardinalityCommand
extends Command

The Command class used to remove a node from a feature model diagram

Author:

Ondrej Rohlik, created on 13.4.2005

Constructor Summary

RemoveCardinalityCommand(FeatureDiagramModel diagram, FeatureNodeModel node)
Creates command that removes a cardinality from node

Method Summary

void	execute() calls the removeCardinality() method of the FeatureDiagramModel class that saves the position of the cardinality node and removes it from its parent node and refresh canvas afterwards
int	getNodeLastPosition() returns the last position of the cardinality node in the list of child nodes of its parent
void	redo() calls execute() method
void	undo() calls returnCardinality() method of FeatureDiagramModel class that inserts the cardinality node to its original position in the DOM model and refresh canvas afterwards

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RemoveCardinalityCommand

public RemoveCardinalityCommand(FeatureDiagramModel diagram,
                                FeatureNodeModel node)

Creates command that removes a cardinality from node

Parameters:

diagram - feature model

node - parent node with the cardinality to be removed

Method Detail

execute

public void execute()

calls the removeCardinality() method of the FeatureDiagramModel class that saves the position of the cardinality node and removes it from its parent node and refresh canvas afterwards

See Also:

org.eclipse.gef.commands.Command#execute()

redo

public void redo()

calls execute() method

See Also:

org.eclipse.gef.commands.Command#redo()

undo

public void undo()

calls returnCardinality() method of FeatureDiagramModel class that inserts the cardinality node to its original position in the DOM model and refresh canvas afterwards

See Also:

org.eclipse.gef.commands.Command#undo()

getNodeLastPosition

public int getNodeLastPosition()

returns the last position of the cardinality node in the list of child nodes of its parent

Returns:

nodeLastPosition